OBD Guide
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P1D67

A/C Compressor High Voltage Circuit Malfunction

P1D67 is an OBD-II diagnostic trouble code meaning: A/C Compressor High Voltage Circuit Malfunction. Common causes: open or short circuit in high voltage circuit, faulty compressor relay. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Air conditioner doesn't work
  • Increased noise from the compressor
  • AC indicator flashes
  • Reduced cooling efficiency
  • In some cases - increased load on the engine

Causes

  • Open or short circuit in high voltage circuit
  • Faulty compressor relay
  • Problems with the climate control unit
  • Compressor bearing wear
  • Wiring harness damage

How to Fix

  1. Check compressor circuit fuses
  2. Diagnose the compressor relay
  3. Check wiring integrity
  4. Test the air conditioning compressor
  5. If necessary, replace the compressor

Related codes

P0532P0533P0530

FAQ

What does the P1D67 code mean?

P1D67 is an OBD-II diagnostic trouble code that indicates: A/C Compressor High Voltage Circuit Malfunction

What causes a P1D67 error code?

The most common causes of P1D67 include: Open or short circuit in high voltage circuit; Faulty compressor relay; Problems with the climate control unit; Compressor bearing wear.

How do I fix a P1D67 diagnostic trouble code?

To fix P1D67: Check compressor circuit fuses. Diagnose the compressor relay. Check wiring integrity. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1D67?

Yes, but get it checked soon

How much does it cost to fix P1D67?

The estimated repair cost for P1D67 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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